74213111477 has 2 divisors, whose sum is σ = 74213111478. Its totient is φ = 74213111476.

The previous prime is 74213111419. The next prime is 74213111491. The reversal of 74213111477 is 77411131247.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53693694961 + 20519416516 = 231719^2 + 143246^2 .

It is an emirp because it is prime and its reverse (77411131247) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74213111477 - 2⁸ = 74213111221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74213111477.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74213113477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37106555738 + 37106555739.

It is an arithmetic number, because the mean of its divisors is an integer number (37106555739).

Almost surely, 2^74213111477 is an apocalyptic number.

It is an amenable number.

74213111477 is a deficient number, since it is larger than the sum of its proper divisors (1).

74213111477 is an equidigital number, since it uses as much as digits as its factorization.

74213111477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32928, while the sum is 38.

The spelling of 74213111477 in words is "seventy-four billion, two hundred thirteen million, one hundred eleven thousand, four hundred seventy-seven".